74501428 has 12 divisors (see below), whose sum is σ = 133557732. Its totient is φ = 36342080.

The previous prime is 74501419. The next prime is 74501443. The reversal of 74501428 is 82410547.

It can be written as a sum of positive squares in 2 ways, for example, as 45319824 + 29181604 = 6732^2 + 5402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74501428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226975 + ... + 227302.

It is an arithmetic number, because the mean of its divisors is an integer number (11129811).

Almost surely, 2^74501428 is an apocalyptic number.

It is an amenable number.

74501428 is a deficient number, since it is larger than the sum of its proper divisors (59056304).

74501428 is a wasteful number, since it uses less digits than its factorization.

74501428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454322 (or 454320 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 74501428 is about 8631.4209722386. The cubic root of 74501428 is about 420.7797833854.

The spelling of 74501428 in words is "seventy-four million, five hundred one thousand, four hundred twenty-eight".